I have been reading all the threads I can find, but I've been unable to find a comparison of these two amps/preamps. I am interested in how they might compare as headphone amps for the Grado RS-1 and the JVC Victor HP-DX1000. Additionally how do they stack up as preamps for a speaker rig (in my...

I ran across this discussion over at synthtopia. Zachary includes pics of his ipod hifi tube amp "due in June." Has anyone heard or seen this amp? Is it suitable for headphones? How does it differ from the nanoamp (guitar)?